About the last little detail on my rebuild for the 70 B is a plug in the
oil galley. It's on the carb/exhaust side of the engine, roughly parallel
to the presure relief valve. No not the one above it, it's a few inches to
the left. The hole is threaded but yet to figure out what will fit it. I've
looked at a couple of other engines and they have soft plug in that
location. Some how it seems risky to use a soft plug on something that
needs to deal with atleast 60PSI. So what is the proper way to plug this
hole?
TIA, Lane
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